EARLS AN Swivel-Seal Hose End Fittings are made of premium aluminum alloy that meet or exceed aerospace specifications. They have dual plane anti-seepage seals and stainless retention pins that adjust 360° after installation. Compatible with Perform-O-Flex and Pro-Lite Braided Hose. When using an angled fitting, the precision machined bent tube design provides second-to-none flow capacity. Dont settle for substandard imitations… the Swivel-Seal brand is the most reliable and widely sold premium hose end on the market. The fitting design has been aerospace proven for over 55 years and used by Earls in competition for over 30 years!